To secure server cache against names pollution

In Server options, select the Secure cache against pollution check box, and then click OK.

Notes

To perform this procedure, you must be a member of the Administrators group on the local computer, or you must have been delegated the appropriate authority. If the computer is joined to a domain, members of the Domain Admins group might be able to perform this procedure. As a security best practice, consider using Run as to perform this procedure.

To open DNS, click Start, click Control Panel, double-click Administrative Tools, and then double-click DNS.

The Secure cache against pollution option is enabled by default.

Information about functional differences

Your server might function differently based on the version and edition of the operating system that is installed, your account permissions, and your menu settings. For more information, see Viewing Help on the Web.